Paul J Stevens wrote:
Matthew T. O'Connor wrote:
I'll changing the unique key on headername to a unique key on
lower(headername)
OK, I thought about that, but I wasn't sure if it was legal, glad to
hear it is.

No no, don't just take my word for it. I'm not a postgres expert at all.
But at least for postgres-8.1 this works. I have *not* tested on any
other versions.

That's not how I meant it, I'm fairly sure that indexes on functions such as lower() work fine for all the PG release that DBMail supports. What I was getting at is, does it matter to DBMail that we lose the difference between "Subject" and "subject"? I supposed it's preserved in the original message body, we are only talking about the cached headers so I suppose it would be OK, but I'm not the DBMail expert.

Matt

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